diff --git a/.github/workflows/subscript.yml b/.github/workflows/subscript.yml
index a7323440e..2b60a4792 100644
--- a/.github/workflows/subscript.yml
+++ b/.github/workflows/subscript.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
       - name: Checkout commit locally
diff --git a/README.md b/README.md
index 566db3d28..1d6c7f5c0 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![subscript](https://github.com/equinor/subscript/actions/workflows/subscript.yml/badge.svg)](https://github.com/equinor/subscript/actions/workflows/subscript.yml)
 [![codecov](https://codecov.io/gh/equinor/subscript/branch/master/graph/badge.svg)](https://codecov.io/gh/equinor/subscript)
-![Python Version](https://img.shields.io/badge/python-3.8%20|%203.9%20|%203.10-blue.svg)
+![Python Version](https://img.shields.io/badge/python-3.8%20|%203.9%20|%203.10%20|%203.11-blue.svg)
 [![License: GPL v3](https://img.shields.io/github/license/equinor/subscript)](https://www.gnu.org/licenses/gpl-3.0)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
diff --git a/pyproject.toml b/pyproject.toml
index 4b906c81f..5e8613a53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,6 +30,7 @@ classifiers = [
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
     "Natural Language :: English",
     "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
 ]